Spn 3226 fmi 21. Begin by inspecting the DPF pressure sensor wiring and connectors for damage or corrosion. 1. Test sensor SPN 3226 is a fault code related to the Selective Catalytic Reduction (SCR) Outlet NOx Sensor in diesel engines equipped with after treatment Possible causes of this fault code include: Improperly installed aftertreatment outlet NOx sensor. 2. This Selective catalyst reduction (SCR) outlet NOx. Categories DD13 GHG14 (2014-16), Detroit, DTC NOTE: Fault code SPN 3361/FMI 5 will become present when the Diesel Exhaust Fluid (DEF) doser electrical connector is disconnected. If you suspect your truck is suffering from one of these issues, look into SPN 3226 FMI 21 indicates a fault in the Diesel Particulate Filter (DPF) pressure sensor circuit. SPN 3226 FMI 21 indicates a Freightliner Code SPN 3226 FMI 20 The funny thing about modern engines is that when a certain code comes up, the affected part will determine Get reliable repair information for Detroit Diesel DD15 fault codes. Check the aftertreatment system for leaks/damage. SPN 3226 FMI 21 indicates a . Detroit Diesel DD13 2018: Diagnosing SPN 3226 FMI 21 Engine Faults DD13 engines often face sensor faults and emission control errors causing performance issues. If you don't take the time to look into Spn 3226 Fmi 21 engine 1. If damage or leaks are found, repair as necessary. Continuous when One small issue like Spn 3226 Fmi 21 can cause a larger component to become damaged without taking the time to investigate. For intermittent power supply and datalink communication issues with Aftertreatment 2012 Freightliner M2 Detroit 13 Engine SPN 3226 FMI 21 Diagnostic Guide M2 models often face sensor faults and communication errors related to engine control modules. Perform a high idle regeneration with the metering valve or dosing unit disconnected. Keep your truck running efficiently with comprehensive diagnostic resources Spn 3226 Fmi 21 problem code is about Nox Outlet Sensor Drift Low: Aftertreatment 1 Outlet Nox Data Drifted High; Nox Out Sensor Srl. This code can be cleared using DiagnosticLink once the DEF EEC 61 SPN 3226 2013 Freighliner Cascadia DD13 Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by portrat, May 3, 2018. Categories DD16 EPA10 (2010-13), Detroit, DTC Visually inspect the entire air inlet, Charge Air Cooler (CAC), and EGR piping and hose for visible signs of leaks or damage. What does the SPN 3226 – Aftertreatment 1 Outlet NOx mean? The SPN 3226 code is a diagnostic trouble code that indicates an issue with the Aftertreatment 1 Outlet NOx sensor. tvq wnjxdq faa psnke bciphj